Quercus lobata - Valley Oak or Roble (Plant) Tree Cold Hardy to 15 degrees

Cold Hardy to 15 degrees F Distribution Southern Central West

found only in northern California and southern Oregon

and pest problems can all lead to the early demise of our stately oaks

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When not in bloom

Quercus lobata - Valley Oak or Roble (Plant) Tree Cold Hardy to 15 degreesSaid to be America's largest oak. Beautiful lobed leaves emerge bright green in spring. Tolerates more water than other native oaks. It is a larval food plant for the Mournful Duskywing butterfly. Plant Characteristics Family Name Fagaceae Species Name Quercus lobata Common Name Valley Oak or Roble Plant Type Tree Sun Exposure Coast Sun, Coast Part Sun, Inland Sun, Inland Part Sun, Water Requirement Low Soil Type Any Flower Color None Flowering Months